. >> she says she cut ties with her parents after completing her freshman year at uc berkeley. she's an advocate@lbn to end hun trafficking. >> when we come back at 6:00 the president draws a new line in the sand on america's debt ceiling. what happens if the limit isn't lifted? who will feel it first? >> a gun buy back. it's not just weapons they're after. a poll revealing hows&á america feels about gun control. >> and the internet hero who took his life in the middle of a new campaign for social justice, online. stay with us. the ne hmm, it says here that cheerios helps lower cholesterol as part of a heart healthy diet. that's true. ...but you still have to go to the gym. ♪ the one and only, cheerios ...and now... you! [ giggles ] ♪ the one and only, cheerios >>> president obama insists he will not negotiate with white house rinz over the debt keeling and says the full faith and credit of the united states will not be a bargaining chip. abc 7 news mark matthews is here with the challenge that the president is facing on this. >> the president says concept understand.jjw t